The laws of conservation say that mass and energy can be neither created nor destroyed, although they may be transformed. Write a scientific explanation describing how the processes of photosynthesis, cellular respiration, and the carbon cycle follow these laws.

How do cells grow and reproduce to maintain homeostasis?

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

Isolated volcanic peaks on the ocean floor are